A more comprehensive interpretation of distinct discontinuity in rare-earth element dissolution by HCl-HNO3 from silicate rock powder

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概要

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• Discussions are given to a step-wise discontinuity between Nd and Gd observed in acid extraction or dissolution of REE from silicate rock powder. It is concluded that, aside from polymorphism of REE sesquioxides, the change of hydration number from 9 to 8 in the primary hydration sphere surrounding lanthanide cations is a significant parameter responsible for the observed fact, although attention has been paid only to effect of polymorphism of sesquioxides of REE in the previous communication. There appears to be a parallel relationship between these two parameters.

• 日本学士院の論文

著者

• MASUDA Akimasa

  KIGAM (Korea Institute of Geoscience and Mineral Resources)

関連論文

• A more comprehensive interpretation of distinct discontinuity in rare-earth element dissolution by HCl-HNO3 from silicate rock powder

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